RT9210 Просмотр технического описания (PDF) - Richtek Technology

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RT9210

Dual 5V Synchronous Buck DC-DC PWM Controller for DDR Memory VDDQ and VTT Termination

Richtek Technology 

RT9210

Preliminary

VDDQ

VTT

VDDQ Transient

50mV/Div

50mV/Div

IDDQ

VIN = 5V, VDDQ = 2.5V, COUT = 2000μF

5A/Div

Time (250μs/Div)

VTT Transient

VDDQ

50mV/Div

50mV/Div

VTT

5A/Div

ITT

VIN = 5V, VTT = 1.25V, COUT = 2000μF

Time (250μs/Div)

VDDQ

VTT Sink & Source

100mV/Div

100mV/Div

VTT

COUT = 2000μF

VIN = 5V,

ITT

VDDQ = 2.5V,

VTT = 1.25V

5A/Div

Time (100μs/Div)

Reference Voltage vs. Temperature

0.802

0.801

0.8

0.799

0.798

0.797

0.796

0.795

0.794

0.793

0.792

0.791

-40

-10

20

50

80

110 140

Temperature (°C)

www.richtek.com

10

IOCSET vs. Temperature

55

50

45

40

35

30

-40

350

-10

20

50

80

110 140

Temperature (°C)

Frequency vs. Temperature

300

250

200

150

100

50

-40

-10

20

50

80

110 140

Temperature (°C)

DS9210-05 March 2007

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